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Wireless access data terminal and system and method for realizing data communication

A data terminal and wireless access technology, applied in transmission systems, electrical digital data processing, digital data processing components, etc., can solve the problems of high power consumption of wireless access data terminals, low CPU usage rate of general-purpose computers, and high heat dissipation problems, to achieve the effect of increasing CPU usage, improving satisfaction, and reducing power consumption

Inactive Publication Date: 2010-06-30
ZTE CORP
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Problems solved by technology

[0004] The present invention provides a wireless access data terminal and its system and method for realizing data communication, which are used to solve the problems of high power consumption, high heat dissipation and low CPU usage rate of general-purpose computers in existing wireless access data terminals

Method used

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  • Wireless access data terminal and system and method for realizing data communication
  • Wireless access data terminal and system and method for realizing data communication
  • Wireless access data terminal and system and method for realizing data communication

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Embodiment Construction

[0021] In the embodiment of the present invention, in order to solve the problems of high power consumption and high heat dissipation of existing wireless access data terminals and low CPU usage of general-purpose computers, a new type of wireless access data terminal is specially provided. The wireless access data terminal is mainly used on general-purpose computers to realize the wireless access of general-purpose computers to the mobile Internet. General-purpose computers can establish data connections to MANs and WANs through wireless access data terminals, thereby satisfying user requirements. Wi-Fi needs.

[0022] In order to facilitate understanding, the structure of the existing wireless access data terminal is firstly briefly described. The basic structure of the existing wireless access data terminal is as follows figure 1 As shown, it includes a baseband processor 101, an A / D (digital / analog) converter 102 is integrated in the baseband processor 101, and a transceiv...

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Abstract

The present invention discloses a wireless access data terminal and a system and a method for realizing data communication in order to solve the problems that the existing wireless access data terminals have large power consumption and large heat release amount and cause the low use rate of the central processing units (CPU) of general computers. The system for realizing data communication with a wireless access data terminal comprises a wireless access data terminal. The wireless access data terminal is used for mixing frequencies for downstream wireless signals from an air interface and obtaining downstream digital IQ signals through analog-to-digital conversion. The downstream digital IQ signals are converted by a bus protocol and then connected to the system bus of the CPU of a general computer. The wireless access data terminal is also used for carrying out digital-to-analog conversion for upstream digital IQ signals obtained by converting upstream digital information output by the CPU with the bus protocol, and modulating and sending out wireless signals. The CPU of the general computer is used for carrying out data business processing for the downstream digital IQ signals received by the system bus and sending out upstream digital information needed to be sent out through the system bus.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a wireless access data terminal and a system and method for realizing data communication. Background technique [0002] Wireless access data terminals applied to general-purpose computers, such as USB Dongle, ExpressCARD (extended data card), PCMCIA (Personal Computer Memory Card International Association, Personal Computer Memory Card International Association) data cards, etc., all have baseband processors, baseband The processor generally adopts the architecture of ARM (Advanced RISC Machines, advanced RISC microprocessor; RISC: Reduced Instruction Set Computer, reduced instruction set computer) + DSP (Digital Signal Processing, digital signal processing) to process signaling, protocol and other data business; and perform data interaction with general-purpose computers through USB (Universal Serial Bus, Universal Serial Bus), PCM (Pulse Code Modulation, Pulse Code Modulatio...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04B1/38
CPCG06F13/38H04B1/0003H04B1/036H04B1/40G06F1/329Y02D10/00
Inventor 田晓光
Owner ZTE CORP
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